Kōtetsu no Hanappashira

Kōtetsu no Hanappashira (鋼鉄の華っ柱) is a Japanese manga series written and illustrated by Hiroyuki Nishimori. It was serialized in Shogakukan's Weekly Shōnen Sunday from September 2010 to September 2012, with its chapters collected in nine tankōbon volumes.

Publication
Written and illustrated by Hiroyuki Nishimori, Kōtetsu no Hanappashira was serialized in Shogakukan's shōnen manga magazine Weekly Shōnen Sunday from 29 September 2010 to 12 September 2012. Shogakukan collected its chapters in nine tankōbon volumes, released from 18 March 2011 to 16 November 2012.

Reception
Most of Kōtetsu no Hanappashira's volumes were featured on Oricon's weekly chart of the best-selling manga; volume 2 debuted 26th (41,565 copies sold); volume 3 debuted 28th (27,653 copies sold); volume 4 debuted 25th (42,154 copies sold); volume 5 debuted 16th (37,074 copies sold); volume 6 debuted 19th (36,863 copies sold); volume 9 debuted 29th (21,317 copies sold).